KR930008726A - 알파-메틸스티렌 불포화를 갖는 방사선 경화가능한 결합제를 포함하는 자기기록 매체 - Google Patents
알파-메틸스티렌 불포화를 갖는 방사선 경화가능한 결합제를 포함하는 자기기록 매체 Download PDFInfo
- Publication number
- KR930008726A KR930008726A KR1019920018534A KR920018534A KR930008726A KR 930008726 A KR930008726 A KR 930008726A KR 1019920018534 A KR1019920018534 A KR 1019920018534A KR 920018534 A KR920018534 A KR 920018534A KR 930008726 A KR930008726 A KR 930008726A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- radiation curable
- curable polymer
- methylstyrene
- dispersion
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
- G11B5/7026—Radiation curable polymers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/7013—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the dispersing agent
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
- G11B5/7021—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
- G11B5/7023—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/775,145 | 1991-10-09 | ||
US07/775,145 US5380905A (en) | 1991-10-09 | 1991-10-09 | Magnetic recording medium having radiation curable binder with α-methylstyrene unsaturation |
Publications (1)
Publication Number | Publication Date |
---|---|
KR930008726A true KR930008726A (ko) | 1993-05-21 |
Family
ID=25103460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920018534A KR930008726A (ko) | 1991-10-09 | 1992-10-08 | 알파-메틸스티렌 불포화를 갖는 방사선 경화가능한 결합제를 포함하는 자기기록 매체 |
Country Status (6)
Country | Link |
---|---|
US (2) | US5380905A (ja) |
EP (2) | EP0536956B1 (ja) |
JP (2) | JP3357401B2 (ja) |
KR (1) | KR930008726A (ja) |
CN (1) | CN1071520A (ja) |
DE (2) | DE69227928T2 (ja) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07166114A (ja) * | 1993-10-12 | 1995-06-27 | Orient Chem Ind Ltd | 発色性記録材料用修正液 |
US5503938A (en) * | 1994-10-26 | 1996-04-02 | Minnesota Mining And Manufacturing Company | Self-wetting binders for magnetic media |
US6265060B1 (en) * | 1995-03-15 | 2001-07-24 | Imation Corp. | Magnetic recording medium incorporating fluorine-containing, solvent-soluble vinyl copolymer having no vinyl chloride or vinylidene chloride components |
AU2327300A (en) | 1999-02-10 | 2000-08-29 | Hitachi Maxell, Ltd. | Magnetic recording medium, and magnetic powder and method for preparing the same |
US6541109B1 (en) | 1999-10-08 | 2003-04-01 | 3M Innovative Properties Company | Release coating formulation providing low adhesion release surfaces for pressure sensitive adhesives |
US6610426B2 (en) * | 2000-10-12 | 2003-08-26 | Fuji Photo Film Co., Ltd. | Magnetic recording medium containing a binder of trifunctional or higher aliphatic (meth) acrylate compound |
AU2003211248A1 (en) * | 2002-03-18 | 2003-09-29 | Hitachi Maxell, Ltd. | Magnetic recording medium and magnetic recording cartridge |
US7494728B2 (en) * | 2002-04-25 | 2009-02-24 | Hitachi Maxell, Ltd. | Magnetic tape and magnetic tape cartridge |
US6964811B2 (en) * | 2002-09-20 | 2005-11-15 | Hitachi Maxell, Ltd. | Magnetic powder, method for producing the same and magnetic recording medium comprising the same |
GB2414852B (en) * | 2003-02-19 | 2007-05-02 | Hitachi Maxell | Magnetic recording medium |
US7135122B2 (en) * | 2004-03-31 | 2006-11-14 | Freudenberg-Nok General Partnership | Polytetrafluoroethylene composites |
US20060000801A1 (en) * | 2004-06-30 | 2006-01-05 | Park Edward H | Surface bonding in halogenated polymeric components |
US7230038B2 (en) * | 2004-06-30 | 2007-06-12 | Freudenberg-Nok General Partnership | Branched chain fluoropolymers |
US7521508B2 (en) * | 2004-06-30 | 2009-04-21 | Freudenberg-Nok General Partnership | Electron beam inter-curing of plastic and elastomer blends |
US7342072B2 (en) | 2004-06-30 | 2008-03-11 | Freudenberg-Nok General Partnership | Bimodal compounds having an elastomeric moiety |
US7452577B2 (en) * | 2004-06-30 | 2008-11-18 | Freudenberg-Nok General Partnership | Electron beam curing of fabricated polymeric structures |
US7244329B2 (en) * | 2004-06-30 | 2007-07-17 | Freudenberg-Nok General Partnership | Electron beam curing in a composite having a flow resistant adhesive layer |
US7381765B2 (en) * | 2004-11-08 | 2008-06-03 | Freudenberg-Nok General Partnership | Electrostatically dissipative fluoropolymers |
US20060100368A1 (en) * | 2004-11-08 | 2006-05-11 | Park Edward H | Elastomer gum polymer systems |
US20060099368A1 (en) * | 2004-11-08 | 2006-05-11 | Park Edward H | Fuel hose with a fluoropolymer inner layer |
US20070048476A1 (en) * | 2005-08-31 | 2007-03-01 | Freudenberg-Nok General Partnership | Assemblies sealed with multilayer composite compression seals having a layer of dispersed fluoroelastomer in thermoplastic |
US20070045967A1 (en) * | 2005-08-31 | 2007-03-01 | Freudenberg-Nok General Partnership | Assemblies sealed with multilayer composite torsion seals having a layer of dispersed fluoroelastomer in thermoplastic |
US20070044906A1 (en) * | 2005-08-31 | 2007-03-01 | Freudenberg-Nok General Partnership | Multilayer polymeric composites having a layer of dispersed fluoroelastomer in thermoplastic |
US7863365B2 (en) | 2006-12-20 | 2011-01-04 | Freudenberg-Nok General Partnership | Robust magnetizable elastomeric thermoplastic blends |
JP5104053B2 (ja) * | 2007-06-15 | 2012-12-19 | 東洋インキScホールディングス株式会社 | コーティング用組成物の製造方法 |
CN103160147A (zh) * | 2011-12-14 | 2013-06-19 | 吴江市冰心文教用品有限公司 | 一种磁性颜料 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE230957C (ja) * | ||||
US4448846A (en) * | 1980-09-22 | 1984-05-15 | Ampex Corporation | Radiation-cured magnetic media and process for making same |
JPS58146043A (ja) * | 1982-02-25 | 1983-08-31 | Matsushita Electric Ind Co Ltd | 光磁気記録媒体 |
US4429096A (en) * | 1983-06-01 | 1984-01-31 | American Cyanamid Company | Quaternary amine carbamate or urea compounds based on isopropenyl-α,α-dimethylbenzyl isocyanate |
US4632957A (en) * | 1984-09-04 | 1986-12-30 | Ppg Industries, Inc. | Ethylenically unsaturated ethylene and propylene ureas containing alkylene urea groups or alkylene urethane groups, useful in coating compositions |
JPH064692B2 (ja) * | 1984-11-02 | 1994-01-19 | 武田薬品工業株式会社 | ウレタン樹脂組成物 |
JPH0723969B2 (ja) * | 1984-11-21 | 1995-03-15 | キヤノン株式会社 | トナ−の製造方法 |
US4853478A (en) * | 1985-12-16 | 1989-08-01 | The Goodyear Tire & Rubber Company | Functionalized monomers from 1-(1-isocyanato-1-methlethyl)-3 or 4-(1-methylethenyl) benzene |
US4663184A (en) * | 1985-10-22 | 1987-05-05 | Minnesota Mining And Manufacturing Company | Radiation curable phosphorate ester compounds |
US4976989A (en) * | 1986-03-05 | 1990-12-11 | Fuji Photo Film Co., Ltd. | Method for preparing a magnetic recording medium |
US4889895A (en) * | 1986-05-28 | 1989-12-26 | Minnesota Mining And Manufacturing Company | Electron beam curable copolymer useful in recording media |
US4761435A (en) * | 1986-10-03 | 1988-08-02 | Desoto, Inc. | Polyamine-polyene ultraviolet coatings |
JPH0677317B2 (ja) * | 1986-10-16 | 1994-09-28 | 富士写真フイルム株式会社 | 磁気記録媒体の製造方法 |
US4788303A (en) * | 1986-11-03 | 1988-11-29 | American Cyanamid Company | Epoxidized isocyanates and process for their preparation |
US4769419A (en) * | 1986-12-01 | 1988-09-06 | Dawdy Terrance H | Modified structural adhesives |
JPS63162664A (ja) * | 1986-12-26 | 1988-07-06 | Takeda Chem Ind Ltd | ウレタン基含有ビニル化合物,それを含有する被覆,接着用組成物および磁気記録媒体 |
US4839230A (en) * | 1988-01-25 | 1989-06-13 | Eastman Kodak Company | Radiation-polymerizable cellulose esters |
EP0348975B1 (en) * | 1988-06-30 | 1994-08-17 | Kawasaki Steel Corporation | Copolymer of polymerizable components in naphtha oil and maleic anhydride, process for producing said copolymer, and derivatives thereof |
JP2668422B2 (ja) * | 1988-11-15 | 1997-10-27 | 株式会社サクラクレパス | 中芯式筆記具用水性顔料インキ組成物 |
KR920009551B1 (ko) * | 1989-04-17 | 1992-10-19 | 가와사끼 세이데쓰 가부시끼가이샤 | 분산제 및 시멘트 혼합제 |
JPH0359647A (ja) * | 1989-07-28 | 1991-03-14 | Konica Corp | 帯電防止処理をしたハロゲン化銀写真感光材料 |
-
1991
- 1991-10-09 US US07/775,145 patent/US5380905A/en not_active Expired - Fee Related
-
1992
- 1992-10-01 DE DE69227928T patent/DE69227928T2/de not_active Expired - Fee Related
- 1992-10-01 EP EP92308998A patent/EP0536956B1/en not_active Expired - Lifetime
- 1992-10-01 DE DE69213636T patent/DE69213636T2/de not_active Expired - Fee Related
- 1992-10-01 EP EP95119618A patent/EP0709831B1/en not_active Expired - Lifetime
- 1992-10-08 JP JP26988792A patent/JP3357401B2/ja not_active Expired - Fee Related
- 1992-10-08 KR KR1019920018534A patent/KR930008726A/ko active IP Right Grant
- 1992-10-09 CN CN92111427A patent/CN1071520A/zh active Pending
-
1994
- 1994-12-12 US US08/353,710 patent/US5523115A/en not_active Expired - Fee Related
-
2001
- 2001-09-11 JP JP2001275190A patent/JP2002155124A/ja not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE69213636D1 (de) | 1996-10-17 |
US5523115A (en) | 1996-06-04 |
DE69227928T2 (de) | 1999-08-05 |
EP0709831A2 (en) | 1996-05-01 |
DE69227928D1 (de) | 1999-01-28 |
EP0709831B1 (en) | 1998-12-16 |
EP0536956A1 (en) | 1993-04-14 |
JP3357401B2 (ja) | 2002-12-16 |
CN1071520A (zh) | 1993-04-28 |
EP0709831A3 (ja) | 1996-05-15 |
JP2002155124A (ja) | 2002-05-28 |
EP0536956B1 (en) | 1996-09-11 |
US5380905A (en) | 1995-01-10 |
JPH05217148A (ja) | 1993-08-27 |
DE69213636T2 (de) | 1997-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
NORF | Unpaid initial registration fee |